THE REPRODUCTION & DEVELOPMENT OF SHARKS, RAYS & RATFISHES

Lingua: inglese

Editore: Kluwer Academic Publishers, 1993

0792325095 / 9780792325093

Da: LIBRERIA LEA+, Santiago, RM, CileLIBRERIA LEA+

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This volume had its origin in a symposium on the Reproduction and Development of Cartilaginous Fishes that was held at the annual meetings of the American Elasmobranch Society and the American Society of Ichthyologists and Herpetologists in Charleston, South Carolina in 1990. The cartilaginous fishes, class Chondrichthyes, are a large and diverse group of fishes that include approximately 900 to 1100 living species of sharks, skates, rays and ratfishes. Throughout their history, which dates back at least 400 million years, they have been a successful major component of the marine ecosystem. The chondrichthyan fishes occupy a pivotal position in comparative and evolutionary studies of vertebrate reproduction and development. They are the oldest surviving group of jawed vertebrates and they possess both the adult vertebrate Bauplan and the vertebrate program of embryonic development. The major features of the female reproductive system, including its embryonic origin, structure, physiological function, and biochemistry, apparently were established early in vertebrate evolution and are fully developed in chondrichthyan fishes. These features of the female reproductive system have been retained during the evolution of the other classes of vertebrates. Much the same can be said for the male reproductive system. Moreover, viviparity, placental nourishment of developing embryos, and the hormonal regulation of these events made an initial appearance in this group. The 22 articles presented in this volume bring together a wide variety of complementary research by investigators from seven countries, allowing us to broaden the scope and implications of our studies while identifying opportunities for future research. The appearance of a volume on the reproduction and development of cartilaginous fishes is quite opportune. The continued existence of these fishes, which survived the great extinction events of Earth's history, is now threatened by overexploitation unless immediate steps for their conservation are undertaken. Knowledge of their reproduction and development not only is an end in itself, but is of critical importance in devising successful conservation and resource management strategies. 920 gr. …

Codice articolo 9780792325093LEA14480

Titolo
THE REPRODUCTION & DEVELOPMENT OF SHARKS, RAYS & RATFISHES
Autore
DEMSKI/ WOURMS
Editore
Kluwer Academic Publishers
Anno di pubblicazione
1993
Condizione
New
Sovraccoperta
Nuevo
Tipo di libro
Libro
Rilegatura
Dura
Lingua
inglese
ISBN 10
0792325095
ISBN 13
9780792325093
Disegnatore
No Aplica
Edizione
0.
Peso dell'articolo
920 grammi
Dimensioni
20x26,5x2

LIBRERIA LEA+

Santiago, RM, Cile

Venditore con 5 stelle

Venditore AbeBooks dal 10 dicembre 2019

Tariffe di spedizione da Cile a U.S.A.

ArticoloDa 20 a 50 giorni lavorativiDa 3 a 14 giorni lavorativi
Primo articoloEUR 32,96EUR 39,19
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Establecida en el año 1943, nuestra librería es la Librería Internacional más antigua de Chile. Importamos/exportamos libros de todas las temáticas desde/hacia todos los países del mundo. Established in 1943, our bookstore is the oldest International Bookstore in Chile. We import/export books of all topics from/to all countries of the world.

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